Sling seat



FIG. 1 is a perspective view of the sling seat arranged in a seating cluster with additional seats shown in phantom, the additional seats forming no part of the claimed design;

FIG. 2 is an enlarged perspective view of the sling seat;

FIG. 3 is a greatly enlarged front elevational view thereof.

FIG. 4 is a rear elevational view of FIG. 3;

FIG. 5 is a top plan view of FIG. 3;

FIG. 6 is a bottom plan view of FIG. 3; and,

FIG. 7 is a right side elevational view of FIG. 3, the left side being the mirror image thereof. 

The ornamental design for a sling seat, as shown and described. 